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Michael Bolin
3cc3763e6c
## Why While debugging the Windows stack overflows we saw in [#13429](https://github.com/openai/codex/pull/13429) and then again in [#18893](https://github.com/openai/codex/pull/18893), I hit another overflow in `tools::handlers::multi_agents::tests::tool_handlers_cascade_close_and_resume_and_keep_explicitly_closed_subtrees_closed`. That test drives the legacy multi-agent spawn / close / resume path. The behavior was fine, but several thin async wrappers were still inlining much larger `AgentControl` futures into their callers, which was enough to overflow the default Windows stack. ## What - Box the thin `AgentControl` wrappers around `spawn_agent_internal`, `resume_single_agent_from_rollout`, and `shutdown_agent_tree`. - Box the corresponding legacy `multi_agents` handler calls in `spawn`, `resume_agent`, and `close_agent`. - Keep behavior unchanged while reducing future size on this call path so the Windows test no longer overflows its stack. ## Testing - `cargo test -p codex-core --lib tools::handlers::multi_agents::tests::tool_handlers_cascade_close_and_resume_and_keep_explicitly_closed_subtrees_closed -- --exact --nocapture` - `cargo test -p codex-core` (this still hit unrelated local integration-test failures because `codex.exe` / `test_stdio_server.exe` were not present in this shell; the relevant unit tests passed)
3cc3763e6c
·
2026-04-22 17:48:13 -07:00
5,699 Commits
npm i -g @openai/codex
or brew install --cask codex
Codex CLI is a coding agent from OpenAI that runs locally on your computer.
If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE.
If you want the desktop app experience, run
codex app or visit the Codex App page.
If you are looking for the cloud-based agent from OpenAI, Codex Web, go to chatgpt.com/codex.
Quickstart
Installing and running Codex CLI
Install globally with your preferred package manager:
# Install using npm
npm install -g @openai/codex
# Install using Homebrew
brew install --cask codex
Then simply run codex to get started.
You can also go to the latest GitHub Release and download the appropriate binary for your platform.
Each GitHub Release contains many executables, but in practice, you likely want one of these:
- macOS
- Apple Silicon/arm64:
codex-aarch64-apple-darwin.tar.gz - x86_64 (older Mac hardware):
codex-x86_64-apple-darwin.tar.gz
- Apple Silicon/arm64:
- Linux
- x86_64:
codex-x86_64-unknown-linux-musl.tar.gz - arm64:
codex-aarch64-unknown-linux-musl.tar.gz
- x86_64:
Each archive contains a single entry with the platform baked into the name (e.g., codex-x86_64-unknown-linux-musl), so you likely want to rename it to codex after extracting it.
Using Codex with your ChatGPT plan
Run codex and select Sign in with ChatGPT. We recommend signing into your ChatGPT account to use Codex as part of your Plus, Pro, Business, Edu, or Enterprise plan. Learn more about what's included in your ChatGPT plan.
You can also use Codex with an API key, but this requires additional setup.
Docs
This repository is licensed under the Apache-2.0 License.